Re: [Emc-users] update and questions on closed loop spindle control

2021-04-25 Thread andrew beck
scott it is a schiender altivar 71 vfd with a encoder card they are awesome drives actually and pretty cheap second hand I always keep a look out and buy them up. got 3 currently On Mon, Apr 26, 2021 at 12:22 AM Scott Harwell via Emc-users < emc-users@lists.sourceforge.net> wrote: > Andrew,

Re: [Emc-users] Food for thought

2021-04-25 Thread Karl Schmidt
This was presented to me as new - actually goes back a while.. The Hungarian connection is interesting - Hypoid gears came from Trbojevich - also connected with Hungary - a nephew of Nikola Tesla . I'm not sure - seems like if this was used on high load this would bring us back to the why we

Re: [Emc-users] update and questions on closed loop spindle control

2021-04-25 Thread andrew beck
hey andy yep saw that got lost in it and then started reaching out for help On Sun, Apr 25, 2021 at 11:59 PM andy pugh wrote: > On Sun, 25 Apr 2021 at 12:34, andrew beck > wrote: > > > Slightly lost on how to set that up > > Have you seen:

Re: [Emc-users] Analog servo system

2021-04-25 Thread Ralph Stirling
I really ought to get a 7i84 as well. The current control uses 24 inputs and 10 outputs, although I could make the machine work with the 16 in and 8 out of the 7i97 if I ditched the limit switch inputs and relied on soft limits and the home switches, and didn't use some of the mechanical buttons

Re: [Emc-users] Analog servo system

2021-04-25 Thread andrew beck
Now that right there is amazing customer service ! On Mon, 26 Apr 2021, 9:04 AM Ralph Stirling, wrote: > Can't turn down a deal like that! I only need three analog channels. > > Thank you! > -- Ralph > > > On Apr 25, 2021 1:22 PM, "Peter C. Wallace" wrote: > CAUTION: This email originated

Re: [Emc-users] Analog servo system

2021-04-25 Thread Ralph Stirling
Can't turn down a deal like that! I only need three analog channels. Thank you! -- Ralph On Apr 25, 2021 1:22 PM, "Peter C. Wallace" wrote: CAUTION: This email originated from outside the Walla Walla University email system. On Sun, 25 Apr 2021, Ralph Stirling wrote: > Date: Sun, 25 Apr

Re: [Emc-users] Analog servo system

2021-04-25 Thread Peter C. Wallace
On Sun, 25 Apr 2021, Ralph Stirling wrote: Date: Sun, 25 Apr 2021 17:43:12 + From: Ralph Stirling Reply-To: "Enhanced Machine Controller (EMC)" To: "emc-users@lists.sourceforge.net" Subject: [Emc-users] Analog servo system Getting back to my Realmeca C2 mill retrofit now. I'm giving

[Emc-users] Analog servo system

2021-04-25 Thread Ralph Stirling
Getting back to my Realmeca C2 mill retrofit now. I'm giving up getting the Fagor 8050 control going, so plan on retrofitting with LCNC. I'd like to use ethernet to a NUC-type computer. I'm looking at this chain of boards, but am not sure about compatibility of some: Mesa 7i94 eight-port

Re: [Emc-users] reducing rigid tapping overshoot

2021-04-25 Thread Jon Elson
On 04/24/2021 05:00 AM, andrew beck wrote: if I try rigid tap at 1000 rpm at 1mm pitch i get a over travel of about 5mm. I can reduce the deceleration ramp in the altivar 71 schiender drive to 0.5 secs and then the over travel is about one revolution of the spindle. but if i leave the

Re: [Emc-users] wiring up mesa ency encoder

2021-04-25 Thread Jon Elson
On 04/22/2021 11:23 PM, andrew beck wrote: update on encoder splitting to altivar vfd and mesa card hey guys just a update and a few more questions so I managed to get the encoder mounted on my spindle and working fine. the vfd works in closed loop control now and I get quite nice power

Re: [Emc-users] reducing rigid tapping overshoot

2021-04-25 Thread Scott Harwell via Emc-users
Andrew, Is a geared head? If so what are the ratios? On Sunday, April 25, 2021, 6:30:19 AM CDT, andrew beck wrote: hey guys not sure if my emails are coming through to you guys.  hope they are. i have just successfully set up my encoder for rigid tapping using index signal from

Re: [Emc-users] reducing rigid tapping overshoot

2021-04-25 Thread Gene Heskett
On Sunday 25 April 2021 08:24:49 Leonardo Marsaglia wrote: > Hello Andrew, > > Is there a baking resistor installed on your drive? I think a proper > one should solve your problem and you can keep the good deceleration > rates. > > Leonardo Marsaglia > > El dom., 25 abr. 2021 08:30, andrew beck

Re: [Emc-users] wiring up mesa ency encoder

2021-04-25 Thread Peter C. Wallace
On Fri, 23 Apr 2021, andrew beck wrote: Date: Fri, 23 Apr 2021 16:23:35 +1200 From: andrew beck Reply-To: "Enhanced Machine Controller (EMC)" To: "Enhanced Machine Controller (EMC)" Subject: Re: [Emc-users] wiring up mesa ency encoder update on encoder splitting to altivar vfd and mesa

Re: [Emc-users] reducing rigid tapping overshoot

2021-04-25 Thread Leonardo Marsaglia
Hello Andrew, Is there a baking resistor installed on your drive? I think a proper one should solve your problem and you can keep the good deceleration rates. Leonardo Marsaglia El dom., 25 abr. 2021 08:30, andrew beck escribió: > hey guys > > not sure if my emails are coming through to you

Re: [Emc-users] update and questions on closed loop spindle control

2021-04-25 Thread Scott Harwell via Emc-users
Andrew, What VFD is it? Who made it? Scott On Sunday, April 25, 2021, 6:34:03 AM CDT, andrew beck wrote: Hey Andy. Vfd does not have positioning mode. So I need to orient with velocity commands and pid. Slightly lost on how to set that up On Sun, 25 Apr 2021, 11:20 PM andy

Re: [Emc-users] reducing rigid tapping overshoot

2021-04-25 Thread andy pugh
On Sun, 25 Apr 2021 at 12:30, andrew beck wrote: > just wondering if I can maybe set use the ramp internally to linuxcnc to > give me more control Possibly, if you were to add a limit2 component to the hal. That would limit the _rate_ of speed change, not the time. It might be better done at

Re: [Emc-users] update and questions on closed loop spindle control

2021-04-25 Thread andy pugh
On Sun, 25 Apr 2021 at 12:34, andrew beck wrote: > Slightly lost on how to set that up Have you seen: http://wiki.linuxcnc.org/cgi-bin/wiki.pl?SpindleOrient -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils

Re: [Emc-users] wiring up mesa ency encoder

2021-04-25 Thread andy pugh
On Sun, 25 Apr 2021 at 12:27, andrew beck wrote: > I would like to be able to change hal values depending on what a if > statement says. Basically I want to deactivate my Linuxcnc hal controlled > spindle ramp of I am rigid tapping. Either by doing a setp on the rate of > change or swapping

Re: [Emc-users] update and questions on closed loop spindle control

2021-04-25 Thread andrew beck
Hey Andy. Vfd does not have positioning mode. So I need to orient with velocity commands and pid. Slightly lost on how to set that up On Sun, 25 Apr 2021, 11:20 PM andy pugh, wrote: > On Sun, 25 Apr 2021 at 09:30, andrew beck > wrote: > > > I have successfully set up my vfd with closed

[Emc-users] reducing rigid tapping overshoot

2021-04-25 Thread andrew beck
hey guys not sure if my emails are coming through to you guys. hope they are. i have just successfully set up my encoder for rigid tapping using index signal from spindle motor encoder just got a few questions for the group is it possible to set different ramp values depending on spindle

Re: [Emc-users] wiring up mesa ency encoder

2021-04-25 Thread andrew beck
Awesome thanks andy. I guess everyone is just busy. Been mucking around with some hal stuff. I would like to be able to change hal values depending on what a if statement says. Basically I want to deactivate my Linuxcnc hal controlled spindle ramp of I am rigid tapping. Either by doing a setp

Re: [Emc-users] wiring up mesa ency encoder

2021-04-25 Thread andrew beck
update on encoder splitting to altivar vfd and mesa card hey guys just a update and a few more questions so I managed to get the encoder mounted on my spindle and working fine. the vfd works in closed loop control now and I get quite nice power control at almost zero rpm its great actually. now

Re: [Emc-users] update and questions on closed loop spindle control

2021-04-25 Thread andy pugh
On Sun, 25 Apr 2021 at 09:30, andrew beck wrote: > I have successfully set up my vfd with closed loop flux vector control so > it is like a servo now and I am supposed to be able to make it rigidly hold > position if I set up a pid loop. If the VFD has an encoder then does it have a built-in

Re: [Emc-users] wiring up mesa ency encoder

2021-04-25 Thread andy pugh
On Sun, 25 Apr 2021 at 11:19, andrew beck wrote: > > hey are people getting this? > I just got a email saying it got bounced It seems to have got through. > so big question is what value of resistor do i need to bring the volts down > a bit. An inline resistor will only work if the current is

Re: [Emc-users] Food for thought

2021-04-25 Thread andy pugh
On Sun, 25 Apr 2021 at 09:45, Karl Schmidt wrote: > > http://sincroll.com/main.php?page=technology > It's an interesting idea, but they don't seem to explain how the balls are recirculated. (If, indeed, they need to). I found one animation: https://youtu.be/C4QCM2yyU-4 I experimented in CAD

Re: [Emc-users] wiring up mesa ency encoder

2021-04-25 Thread andrew beck
hey are people getting this? I just got a email saying it got bounced update on encoder splitting to altivar vfd and mesa card hey guys just a update and a few more questions so I managed to get the encoder mounted on my spindle and working fine. the vfd works in closed loop control now and I

Re: [Emc-users] Just updated buster-master, lost camera, again.

2021-04-25 Thread Gene Heskett
On Wednesday 21 April 2021 13:40:54 Gene Heskett wrote: Ping? > Greetings all; > > My new camera has been working well until a recent update, with this > as the camera invoker in that machines .ini file. > > In [DISPLAY] section: > > EMBED_TAB_NAME = Camera > EMBED_TAB_COMMAND = gladevcp -x

[Emc-users] Food for thought

2021-04-25 Thread Karl Schmidt
http://sincroll.com/main.php?page=technology Seems like point contact would wear sort of fast? -- Karl Schmidt EMail k...@lrak.net 3209 West 9th Street

[Emc-users] update and questions on closed loop spindle control

2021-04-25 Thread andrew beck
hey everyone looking for help on how to set up spindle orientation. I have successfully set up my vfd with closed loop flux vector control so it is like a servo now and I am supposed to be able to make it rigidly hold position if I set up a pid loop. the level of control is awesome now anyway